Paper Chase is a research database designed to offer abstracts of research articles published in journals that have a highly rated impact factor as determined by ISI Impact Factor and PageRank. Abstracts are organized by date, with the most recently published papers listed first. 

Paper Chase

Our flawed but beneficial Medicaid program.

N. Engl. J. Med.. Apr 21, 2011;364(16):e31.
Frakt A, Carroll AE, Pollack HA, Reinhardt U.

Health Care Financing and Economics, VA Boston Healthcare System, and Boston University, Boston, USA.